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Advantages of Plastic Injection Molding

A process called injection molding is used for making most of the products we use today, particularly components of large products. Ice trays, bottle caps, and bins are just some of the products that are made from injection molding which uses mold cavities where molten material is poured and solidified.

There are many different kinds of materials which can be used for injection molding and this includes glass, metal and thermoplastics. In the discussion below, we will look at plastics which is the best materials among others in terms of cost and recyclability.

Plastic is a low cost alternative to expensive metal and glass. Plastic is durable, rust-free and very tough considering that it is low in density. Producing complex shapes at a much lower cost than other materials is possible with thermoplastic. Taking on any shape is possible with thermoplastic because it is pliable and it hardens upon cooling. Plastic becomes brittle in very cold temperatures and this is why they put additives to prevent this. Reheating the finished product will allow you to change the form of its shape.

Imagine a world where all plastic products have to be created by hand. These products can come out misshapen and structurally weak objects. With injection molding design precision is achieved, and structural soundness is maintained. The process of injection molding has other benefits like the ones given below.

Minimizing or eliminating scrap is one of the benefits of using injection molding because the cavities can only contain the amount of plastic that is needed. With this you get to save money on plastic, and you don’t have much waste as to worry about waste management.

If you have waste plastic then they can be used to form other important parts and components. Scrap plastic and virgin plastic are of the same quality. There is a great minimization of waste.

The cost of labor for using injection plastic is not as high the cost for molding plastic by hand. Productivity is high with injection molding and it is faster to manufacture products.

There are little or no defects with injection molded plastics. Burrs, uneven layers, blisters, voids, and empty spaces on the surface are the common defects of this type of molded plastic. If the product is defaced then they are remade.

Despite its bad reputation as being non-biodegradable, plastics are highly recyclable and plants often use discarded and unused plastic parts.

The injection molding process takes care of most of the work which makes the finishing time shorter. It reduces further the cost of labor and time.

The only solution where metal and glass cannot be used in certain applications is the use of plastic injection molded products. Plastic is used by industries like automotive, oil, gas, and electronics on a regular basis.

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